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[POWERPC] Clean up access to thread_info in assembly 

Use (31-THREAD_SHIFT) to get to thread_info from stack pointer.  This makes
the code a bit easier to read and more robust if we ever change THREAD_SHIFT.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
hifive-unleashed-5.1
Kumar Gala 2008-04-24 06:29:36 +10:00 committed by Paul Mackerras
parent 885aa35c96
commit f608600e74
2 changed files with 5 additions and 5 deletions
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6
arch/powerpc/kernel/misc_32.S
View File

@ -152,7 +152,7 @@ _GLOBAL(low_choose_750fx_pll)
mtspr SPRN_HID1,r4
/* Store new HID1 image */
rlwinm r6,r1,0,0,18
rlwinm r6,r1,0,0,(31-THREAD_SHIFT)
lwz r6,TI_CPU(r6)
slwi r6,r6,2
addis r6,r6,nap_save_hid1@ha
@ -281,7 +281,7 @@ _GLOBAL(_tlbia)
#endif /* CONFIG_SMP */
#else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */
#if defined(CONFIG_SMP)
rlwinm r8,r1,0,0,18
rlwinm r8,r1,0,0,(31-THREAD_SHIFT)
lwz r8,TI_CPU(r8)
oris r8,r8,10
mfmsr r10
@ -377,7 +377,7 @@ _GLOBAL(_tlbie)
#endif /* CONFIG_SMP */
#else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */
#if defined(CONFIG_SMP)
rlwinm r8,r1,0,0,18
rlwinm r8,r1,0,0,(31-THREAD_SHIFT)
lwz r8,TI_CPU(r8)
oris r8,r8,11
mfmsr r10

4
arch/powerpc/mm/hash_low_32.S
View File

@ -191,7 +191,7 @@ _GLOBAL(add_hash_page)
add r3,r3,r0 /* note create_hpte trims to 24 bits */
#ifdef CONFIG_SMP
rlwinm r8,r1,0,0,18 /* use cpu number to make tag */
rlwinm r8,r1,0,0,(31-THREAD_SHIFT) /* use cpu number to make tag */
lwz r8,TI_CPU(r8) /* to go in mmu_hash_lock */
oris r8,r8,12
#endif /* CONFIG_SMP */
@ -526,7 +526,7 @@ _GLOBAL(flush_hash_pages)
#ifdef CONFIG_SMP
addis r9,r7,mmu_hash_lock@ha
addi r9,r9,mmu_hash_lock@l
rlwinm r8,r1,0,0,18
rlwinm r8,r1,0,0,(31-THREAD_SHIFT)
add r8,r8,r7
lwz r8,TI_CPU(r8)
oris r8,r8,9